This program from the CBC investigates Brain Training programs and their claims. It is almost an hour long and can be tedious but still very interesting. It is mostly about Alzheimer's and dementias. The part about Brain Optimization neurofeedback applies to PCS.
https://www.youtube.com/watch?v=_MG6J2z2dVE
This link is to The Cambridge Brain Sciences cognitive testing program. It can help you identify your strengths and weaknesses.
http://www.cambridgebrainsciences.com/